This is really more a guided relaxation than a meditation, but either way, it's pretty relaxing! Savasana is final relaxation posture, taken at the end of every single yoga practice.
The very act of imagining yourself in nature is a powerful reset button. When you imagine each of the 4 elements - air, earth, water and fire - you create balance and clarity.
So lay down, close your eyes, get cozy, and spend the next 10 minutes in relaxation and a neurological reset.